The engineer Karl Hartmann invents a new, gigantic brown coal excavator. He discovers that there are large deposits below his home country and decides to use the excavator there.

Cast:Heinrich George, Viola Garden, Ivan Koval-Samborskyi, Ilse Stobrawa, Gertrud Arnold, Paul Biensfeldt,

Genre:Drama,

country:Germany,

Production:Terra-Filmkunst,